How will you select unique values from a list of records?
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How do you delete duplicates in sql query using rowid?
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How to check if a column is nullable before setting to nullable?
How do you drop a trigger?
What is cursor explain with example?
What are the string functions in sql?
Why is pl sql needed?
what are the differences among rownum, rank and dense_rank? : Sql dba
Is sql a programming?
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What is sqlcontext?
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how can we encrypt and decrypt a data present in a mysql table using mysql? : Sql dba
What are all the common sql functions?
What are synonyms in sql?